Patent SG-11201908823S-A (SG)
Title: Test communication protocol
Inventor: KEUM BYOUNG J
IPC: H04L69/40
Filed: 2018-03-30
Abstract: DEVICE INTERFACE BOARD FIG. 1 22 TEST COMPUTER ETHERNET-BASED NETWORK (e.g., LOCAL AREA NETWORK), 25 24 12 20 Tr' 14 • • . CONNECTION INTERFACE U 15 • TEST INSTRUMENT TEST HEAD 11 ------------ 13N 13A 13B O O 00 O C (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 01 November 2018 (01.11.2018) WIPO I PCT Iiiimmoimiolollmonolooloionsomomomovoiml (10) International Publication Number WO 2018/200126 Al (51) International Patent Classification: HO4L 12/26 (2006.01) H04L 12/801 (2013.01) (21) International Application Number: PCT/US2018/025398 (22) International Filing Date: 30 March 2018 (30.03.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 15/495,357 24 April 2017 (24.04.2017) US (71) Applicant: TERADYNE, INC. [US/US]; 600 Riverpark Drive, North Reading, Massachusetts 01864 (US). (72) Inventor: KEUM, Byoung J.; 13 Wilshire Avenue, West- ord, Massachusetts 01886 (US). (74) Agent: PYSHER, Paul A. et al.; Choate, Hall & Ste- wart LLP, Two International Place, Boston, Massachusetts 02110 (US). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, (54) Title: TEST COMMUNICATION PROTOCOL AUTOMATIC TEST EQUIPMENT 10 21 OUT SITES (57) : An example method includes broadcasting periodically, from a computing system, control packets over a network to instrument modules, where a control packet includes data representing sequence numbers of last data packets received from the instrument modules and information based on the sequence numbers, and the control packet includes slots for all of the instrument modules, with each slot containing the data that is specific to one of the instrument modules. The example method also includes receiving, at the computing system and in response to the control packet, via unicast and over the network, an acknowledgement packet from each of the instrument modules, where the acknowledgement packet includes repair information that is based on a broadcast control packet received by the instrument module from the computing system. [Continued on next page] WO 2018/200126 Al MIDEDIMOMOIDEIRDERI001010111MOHOIROMEEM TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Declarations under Rule 4.17: as to applicant's entitlement to apply for and be granted a patent (Rule 4.17(11)) Published: — with international search report (Art. 21(3))